Function RegexErrorToString

ext/src/llvm/Regex.cpp:59–65

Utility to convert a regex error code into a human-readable string.

/// Utility to convert a regex error code into a human-readable string.
void RegexErrorToString(int error, struct llvm_regex *preg,
                        std::string &Error) {
  size_t len = llvm_regerror(error, preg, nullptr, 0);

  Error.resize(len - 1);
  llvm_regerror(error, preg, &Error[0], len);
}

} // namespace